title: ECG Challenge: July 2, 2013.
mesh_terms: D000368:Aged; D016470:Bacteremia / Q000150:complications*; D001919:Bradycardia / Q000209:etiology*; D004562:Electrocardiography / Q000379:methods*; D005260:Female; D006327:Heart Block / Q000209:etiology*; D006801:Humans; D011704:Pyelonephritis / Q000150:complications*